Control techniques for torque ripple minimization in switched reluctance drives under faults

This paper deals with comparison of several control techniques for torque ripple minimization in drives with switched reluctance motor (SRM) under fault operation mainly if one phase is open. These techniques are: hysteresis control of phase current, PWM control, phase current profiling and direct instantaneous torque control. The basic principles of these methods are described, SRM parameters investigations by means of Finite Element Method is presented, simulation analysis is carried out and several methods are compared with experimental ones.